(medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease

a muscular cramp (especially in the thigh or calf) following vigorous exercise

muscular spasms of thumb and forefinger while writing with a pen or pencil

spasm of the eyelid muscle resulting in closure of the eye

a painful muscle spasm especially in the neck or back (`rick' and `wrick' are British)

a clonic spasm of a muscle or muscle group